Document Type and Number:
Japanese Patent JPH0253801
Kind Code:
U
Application Number:
JP13112788U
Publication Date:
April 18, 1990
Filing Date:
October 06, 1988
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
B21B19/04; B21B23/00; (IPC1-7): B21B19/04; B21B23/00
Next Patent: JPH0253802